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4.9

  1. Noobie Bronco Tech Questions. Flame free zone!
    Alright guys and gals, I have a confession, well not as much a confession as a bug duh. When I bought this truck I knew absolutely nothing about vehicles or my bronco for that matter. I just always thought they were cool and I wanted to learn how to work on them. After a over a year of having...
  2. 1980-'96 Bronco Tech
    Hi yall my 90 bronco 4.9 has been giving me egr codes for a few weeks (dont have the codes on hand). id like to delete it as ive already removed the A I R pump and will remove the injection tubes when i redo my leaky exhaust system. What would be the best way of removing the egr completly while...
  3. 1980-'96 Bronco Tech
    Hello yall, I'm redoing my entire exhaust system and I wanted to know what is the best way to prevent the manifolds from leaking. I know they are straight to the head from factory but ive wondered if a exhaust gasket would be better or some other seal to prevent leaks. I already have a bad leak...
  4. Noobie Bronco Tech Questions. Flame free zone!
    Hello y'all My 1990 Bronco 4.9 has been giving me hell. I decided to replace my whole ignition system. New plugs, wires, distributor and coil. My plugs are motocraft copper cores and my timing is set to 12°. Before I did this my truck ran well, but I felt replacing 30 year old parts would be...
  5. Noobie Bronco Tech Questions. Flame free zone!
    Howdy y'all. I have a 1990 bronco, 4.9 5 speed with 3.55 gears and 31s. I'm currently putting on a skyjacker level coils and eel and would like some tire advice. My truck is a daily and weekend offroader. Id like either 32 inch mastercraft mxt or 33x10.5 DC extreme country's. I only have a 4.9...
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